//
//  AppDelegate.swift
//  HXWeibo
//
//  Created by HX on 15/11/23.
//  Copyright © 2015年 HX. All rights reserved.
//

import UIKit

@UIApplicationMain
class AppDelegate: UIResponder, UIApplicationDelegate
{
    var window: UIWindow?

    func application(application: UIApplication, didFinishLaunchingWithOptions launchOptions: [NSObject: AnyObject]?) -> Bool
    {
        setupAppearance()
        
        print("加载帐户信息: \(MCUserAccount.loadUserAccount())")
        
        //: 创建window
        window = UIWindow(frame: UIScreen.mainScreen().bounds)
        window?.backgroundColor = UIColor.whiteColor()
        
        //: 创建tabbarVC
        let tabbarVC = MCMainViewController()
        
        //: 设置根控制器
//        window?.rootViewController = tabbarVC
//        window?.rootViewController = MCWelcomeViewController()
        window?.rootViewController = defaultController()
        
        //: 显示
        window?.makeKeyAndVisible()
        
//        print(isNewFeature())
        
        return true
    }
    
    // MARK: - 判断进入哪个控制器
    private func defaultController() -> UIViewController
    {
        // 判断用户是否登录   用户没有登录
        if !MCUserAccount.userLogin
        {
            return MCMainViewController()
        }
        //用户已经登录,判断是否是新版本
        return isNewFeature() ? MCNewFeatureViewController() : MCWelcomeViewController()
    }
    
    // 切换根控制器
    // true:  切换到 MainViewController
    // false: 切换到 NewFeatureViewController
    private func switchViewController(isMain: Bool)
    {
        window?.rootViewController = isMain ? MCMainViewController() : MCWelcomeViewController()
    }
    
    // MARK: - 切换根控制器
    class func switchRootViewController(isMain:Bool)
    {
        (UIApplication.sharedApplication().delegate as? AppDelegate)?.switchViewController(isMain)
    }
    
    // 判断是否是新版本
    private func isNewFeature() -> Bool
    {
        // 获取当前版本
        let currentVersion = Double(NSBundle.mainBundle().infoDictionary!["CFBundleShortVersionString"] as! String)!
        
        // 获取上一次的版本
        let sandboxVersionKey = "sandboxVersionKey"
        
        let sandboxVersion =  NSUserDefaults.standardUserDefaults().doubleForKey(sandboxVersionKey)
        
        // 保存当前版本号
        NSUserDefaults.standardUserDefaults().setDouble(currentVersion, forKey: sandboxVersionKey)
        
        print("currentVersion--->\(currentVersion)")
        print("sandboxVersion--->\(sandboxVersion)")
        
        // 比较两个版本号
        return currentVersion != sandboxVersion
    }
    
    /// 设置导航栏皮肤
    func setupAppearance()
    {
        let bar = UINavigationBar.appearance()
        
        bar.tintColor = UIColor.orangeColor()
    }

    func applicationWillResignActive(application: UIApplication) {
        // Sent when the application is about to move from active to inactive state. This can occur for certain types of temporary interruptions (such as an incoming phone call or SMS message) or when the user quits the application and it begins the transition to the background state.
        // Use this method to pause ongoing tasks, disable timers, and throttle down OpenGL ES frame rates. Games should use this method to pause the game.
    }

    func applicationDidEnterBackground(application: UIApplication) {
        // Use this method to release shared resources, save user data, invalidate timers, and store enough application state information to restore your application to its current state in case it is terminated later.
        // If your application supports background execution, this method is called instead of applicationWillTerminate: when the user quits.
    }

    func applicationWillEnterForeground(application: UIApplication) {
        // Called as part of the transition from the background to the inactive state; here you can undo many of the changes made on entering the background.
    }

    func applicationDidBecomeActive(application: UIApplication) {
        // Restart any tasks that were paused (or not yet started) while the application was inactive. If the application was previously in the background, optionally refresh the user interface.
    }

    func applicationWillTerminate(application: UIApplication) {
        // Called when the application is about to terminate. Save data if appropriate. See also applicationDidEnterBackground:.
    }


}

